diff --git a/VCF.Core/VCF.Core.csproj b/VCF.Core/VCF.Core.csproj
index d69c1f3..b4f1889 100644
--- a/VCF.Core/VCF.Core.csproj
+++ b/VCF.Core/VCF.Core.csproj
@@ -4,6 +4,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>